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Summary
DescriptionKC-135A NASA (16783001558).jpg
15 November 1995, Valkenburg. N931NA is former USAF-tanker 63-7998. In 1995 the NASA used it for zero-gravity training. This 'Vomit Comet' made some flights from Valkenburg with students of the technical university. The Boeing is now on display at Pima Air & Space Museum.
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